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  <title>Sets or retrieves the password for a FrontBase database</title>
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  <div id="layout-content"><div id="function.fbsql-database-password" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">fbsql_database_password</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.6, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">fbsql_database_password</span> &mdash; <span class="dc-title">Sets or retrieves the password for a FrontBase database</span></p>

 </div>
 
 <div class="refsect1 description" id="refsect1-function.fbsql-database-password-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>fbsql_database_password</strong></span>
    ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
   [, <span class="methodparam"><span class="type">string</span> <code class="parameter">$database_password</code></span>
  ] ) : <span class="type">string</span></div>

  <p class="para rdfs-comment">
   Sets and retrieves the database password used by the connection. If a
   database is protected by a database password, the user must call this
   function before calling <span class="function"><a href="fbsql_select_db.html" class="function">fbsql_select_db()</a></span>.
  </p>
  <p class="para">
   If no link is open, the function will try to establish a link as if
   <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> was called, and use it.
  </p>
  <p class="para">
   This function does not change the database password in the database
   nor can it be used to retrieve the database password for a database.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.fbsql-database-password-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    <dt>
<code class="parameter">
link_identifier</code></dt>
<dd>
<p class="para">由
<span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 或
<span class="function"><a href="fbsql_pconnect.html" class="function">fbsql_pconnect()</a></span> 返回的 FrontBase 链接标识符.</p>
<p class="para">如可选并未指定，函数会尝试查找一个到 FrontBase 服务器的开放链接，且如没有找到这样的链接，会尝试通过不带参数调用 <span class="function"><a href="fbsql_connect.html" class="function">fbsql_connect()</a></span> 来创建一个。</p>
</dd>

    
     <dt>
<code class="parameter">database_password</code></dt>

     <dd>

      <p class="para">
       The database password, as a string. If given, the function sets the
       database password for the specified link identifier. 
      </p>
     </dd>

    
   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.fbsql-database-password-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the database password associated with the link identifier.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.fbsql-database-password-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-1210">
    <p><strong>Example #1 <span class="function"><a href="fbsql_create_clob.html" class="function">fbsql_create_clob()</a></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$link&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">fbsql_pconnect</span><span style="color: #007700">(</span><span style="color: #DD0000">"localhost"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"_SYSTEM"</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"secret"</span><span style="color: #007700">)<br />&nbsp;&nbsp;&nbsp;&nbsp;or&nbsp;die(</span><span style="color: #DD0000">"Could&nbsp;not&nbsp;connect"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fbsql_database_password</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"secret&nbsp;db&nbsp;password"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fbsql_select_db</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.fbsql-database-password-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="fbsql_connect.html" class="function" rel="rdfs-seeAlso">fbsql_connect()</a> - Open a connection to a FrontBase Server</span></li>
    <li class="member"><span class="function"><a href="fbsql_pconnect.html" class="function" rel="rdfs-seeAlso">fbsql_pconnect()</a> - Open a persistent connection to a FrontBase Server</span></li>
    <li class="member"><span class="function"><a href="fbsql_select_db.html" class="function" rel="rdfs-seeAlso">fbsql_select_db()</a> - Select a FrontBase database</span></li>
   </ul>
  </p>
 </div>


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